package com.dell.chen.service;

import com.dell.chen.pojo.Users;

/**
 * @author ：ChenwithIU
 * @date ：Created in 2020/11/24 19:07
 */
public interface UserService {

    //登录
    public Users login(Users users);

    //注册
    public void register(Users users);

    public boolean existUsername(String username);

    public void update(Users users);

}
